Hopelessly devoted: Sandy and Danny were played by Olivia Newton-John and John Travolta (above) in the movie. Julianne Hough (below right) and Aaron Tveit (above right) will play those roles on Fox.Everett Collection; Getty Images

“Graceland” star Aaron Tveit has been cast in the iconic lead role — played by John Travolta in the 1978 hit film — for the live musical production airing Jan. 31 on Fox.

He’ll star opposite Julianne Hough (“Dancing With the Stars”) as leading lady, Sandy.

Tveit’s musical theater credits include starring in the big-screen version of “Les Miserables” and on Broadway in “Catch Me If You Can” and “Next to Normal.” On TV he had a recurring role on “Gossip Girl” and guest-starred in “The Good Wife,” “Ugly Betty” and “Law And Order: Special Victims Unit.”